On the seventh day of the zombie siege, Chen Jin opened the chip on the back of his neck in the underground garage where the power was cut off - in the holographic image, a girl said: 'You are not human, you are the last backup of human beings. ' Li Zhao led people to besiege the camp, vowing to activate the AI core in his body to restart civilization. Lao Ya uses silence to convey the truth, the muzzle of the Iron Falcon is trembling, and the nine needles in the spine contain the key that can destroy or redeem the world. And every radio wave produced by the white noise is asking: When humans no longer need you, are you still willing to destroy yourself for them?